jovan belcher shot and killed his 22-year-old girlfriend in their home and belcher's mother and three month old daughter in another room and he then drove to the chiefs practice facility and met up with the head coach and general manager there before turning away and taking his own life in front of them. >> if you can take your worst nightmare and then put somebody that you know and love into that situation a give them a gun and stand three feet away from them and watch them kill themselves, that's what it's like. it's unfathomable. >> police did not release a motive, but he and his girlfriend had been arguing frequently. he was just 25 years old. >> could a broken signal cause this train to derail. it stopped for a ligred light ad got the approved to go. and investigators are looking into the signal issues may have led to the crash. well, first they ran out of gas while trying to steal gas and two would-be thieves led key efforts. >> i think on the world's dumbest criminals, first you run out of fuel and then leave your truck behind. >> they were trying to steal gas from a golf cours